const mongoose = require("mongoose");

mongoose.connect("mongodb://127.0.0.1:27017/vphdata",{useNewUrlParser: true,useUnifiedTopology: true});
mongoose.connection.on("connected",()=>{
    console.log("连接成功");
});
mongoose.connection.on("error",()=>{
    console.log("连接失败");
});
mongoose.connection.on("disconnected",()=>{
    console.log("连接断开");
});

module.exports = mongoose;